Blatskvyev A8 - differences audits Y813 from Y806?I want to buy a child to school Blackview A8. Just do not understand the differences between revisions Y813 from Y806. For certain providers have both audit and you can order one of them. As I understood the Review on 4PDA then this model is the weak link. Even craftsmen antenna reception inside dopilivat in addition to its gain and clear reception. A new revision of Y813 to the antenna cut exterior look more twice. According to it, though it will be possible to call? I wanted to get all the same clarity that changed in the two revisions.